package com.example.cupid.interceptor;

import com.example.cupid.pojo.User;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * 2021/9/18
 **/
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();
        User loginUser = (User)session.getAttribute("loginUser");
        if(loginUser==null){
            response.sendRedirect("/user");
            return false;
        }
        return true;
    }
}
